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Mesos Series 4500-4600nm Faraday Rotators & Optical Isolators Data Sheet

Mesos Series
4500-4600nm Faraday Rotators and Optical Isolators

                                    

EOT’s Mesos Series Faraday Rotators rotate the plane of polarized light 45° in the forward direction and an additional 45° of non-reciprocal rotation in the reverse direction while maintaining the light’s linear polarization.  When placed between crossed polarizers, a Faraday Rotator becomes an Optical Isolator.  An Optical Isolator shields lasers from destabilizing and potentially destructive back-reflected light from interfaces on downstream optics or back-scattered ASE from optical amplifiers. Based on high Verdet constant rotating material and developed to work with up to 2.5W of average input power in the 4500-4600nm wavelength range, Mesos Series optical isolators provide the ultimate protection for polarized output from Quantum Cascade Lasers (QCLs).

Benefits:

· Eliminate frequency instability in QCLs

· Prevent optical damage to QCLs due to back reflections

Features:        

· Rugged design suitable for harsh operating environments

· Optional λ/2 plate available for all isolators

Specificationsa, b:

 
4500-4600nm Rotator
4500-4600nm Isolator
Transmission at 22⁰C
>70%
>65%
Isolation at 22⁰C
N/A
>30dB
Power Handling
2.5W
2.5W

a Product specifications are subject to change.
b Return Loss-free working distance ≥25mm for a collimated beam.
Note:
 All products are RoHS compliant.